oil return check valve 回油止回阀
slow return check valve 低速回程单向阀
boost return check valve 增压回油单向阀门
liquid return check valve 回液止回阀
oil l return check valve 回油止回阀
return orifice check valve 单向节流阀
return circuit check valve 回路单向阀
fuel return passage check valve 回油通路单向阀
return oil check valve 回油单向阀
A check valve should be installed on return piping if there will be a pressurized return line or the trap drains to an overhead return line (Fig. B).
如果存在一个压力回路，或者疏水阀排放口位于回路管道的上方，则应该安装一个止回阀(图b)。
Can be installed check valve or custom comes with a return function of the valve.
可安装止回阀或订制自带止回功能的阀门。
This paper derives the characteristic formula of control pressure in hydro-control check valve and the mechanical characteristics formula of inlet and return circuit.
本文推导了液控单向阀的控制压力特性方程、进油和回油回路机械特性方程。
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